Electrons
• robert a. millikan found that electrons carry exactly one unit of
negative charge and its mass is.
_the mass of a
common hydrogen atom.

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Can someone me with questions 15 to 17 plz.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.